外伸梁差分离散系统刚度矩阵的符号振荡性及其定性性质
王其申 王大钧;吴磊 刘全金 章礼华
SIGN-OSCILLATING PROPERTY OF STIFFNESS MATRIX OF DIFFERENCE DISCRETE SYSTEM AND QUALITATIVE PROPERTIES OF BEAM WITH OVERHANG
Wang Qi-shen Wang Da-jun; Wu Lei Liu Quan-jin Zhang Li-hua
. 2009, (6): 113 -117 .